This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. A blue to blue-green mineral of aluminum and copper, mainly CuAl6(PO4)4(OH)8·4H2O, prized as a gemstone in its polished blue form.

n. A light to brilliant bluish green.

n. A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone.

n. A pale greenish-blue colour, like that of the gemstone.

adj. Made of turquoise (the gemstone).

adj. Having a pale greenish-blue colour.

n. A hydrous phosphate of alumina containing a little copper; calaite. It has a blue, or bluish green, color, and usually occurs in reniform masses with a botryoidal surface.

adj. Having a fine light blue color, like that of choice mineral turquoise.

n. An opaque blue or greenish-blue precious stone, consisting essentially of a phosphate of aluminium containing a little copper and iron.

n. a shade of blue tinged with green

n. a blue to grey green mineral consisting of copper aluminum phosphate

"GSI pointed out that turquoise is the color of the throat, the voice, communication."

turquois   

blueness    blue    mineral    opaque gem   

rock-turquoise    reconstructed turquoise    augite   

turcois    turkois   

bone turquoise   

turquoise blue    greenish blue    blue-green    green-blue   

emerald    azure    opal    lavender    sapphire    iridescent    maroon    scarlet    mauve    jade